Rear diffuser for an automobile



FIG. 1 is a right perspective view of the rear diffuser for an automobile of the present invention;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top side view thereof;

FIG. 8 is a bottom side view thereof; and,

FIG. 9 is a perspective view thereof in an exemplary automobile.

The broken lines are provided for the purpose of illustrating environmental structure(s) and form no part of the claimed design. 

CLAIM The ornamental design for a rear diffuser for an automobile, as shown and described. 